Kodansha Kanji Dictionary (Jack Halpern, 2013):
3634
Morohashi Daikanwajiten (Volume 4, page 0778):
9904
New Japanese-English Character Dictionary (Jack Halpern, 1990):
2918
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
1579
The New Nelson Japanese-English Character Dictionary (John Haig):
1704